shepherd



S. E. SHEPHERD.

. LOCK. APPLICATION FILED mm. 1911'. RENEWED APR. 15. I9I9.

1,3G5,@1 6., Patented May 27, 1919.

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. LOCK.

APPLICATION FILED JAELZ, 1917. RENEWED APR. 15.1919.

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SANFORD E. SHEPHERD, OF CINCINNATI, OI-IIO.

LOCK.

Specification of Letters Patent.

Application filed January 2, 1917, Serial No. 140,205. Renewed April 15, 1919. Serial No. 290,299.

To all whom it may concern:

Be it known that I, SANFORD E. SHEP- HERD, a citizen oftheUnited States, residing at Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Locks; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to attachments for automobiles and similar vehicles, but more particularly to improved means for locking the spark and gas control levers against use by unauthorized persons.

The principal object of the invention is to provide a device of this character which can be easily and quickly secured on the control levers.

An additional object is to provide a device of this character having a new and improved lock, whereby the separable sections of which it is composed may be effectively held together.

With these and many other objects in view, the invention resides in the novel features of construction, combination and arrangement of parts which will be hereinafter more particularly described and claimed.

In the accompanying drawings Figure 1 represents a horizontal section through the steering post of an automobile showing my invention applied to the spark and-throttle control levers thereof;

Fig. 2 is a front elevation of the invention detached;

Fig. 3 is a similar view of the rear side Fig. 4: is a detail perspective view of one part of the invention; a

Fig. 5 is a longitudinal section of the invention showing particularly the means for locking the two parts together;

Fig. 6 is a horizontal section taken substantially on the plane of theline 6-6 of Fig. 5;

Fig. 7 is a vertical transverse section on the plane of the line 7-7 of Fig. 5;

Fig. 8 is a detail perspective view of the plate 22; and

Fig. 9 is a side elevation of a slightly modified form of-my inventlon.

By securing the spark and throttle levers in their inactive positions, it is obvious that the operation of the vehicle will be prevented, and various means may be employed for this purpose, the device illustrated in Figs. 1 to 8 being one means, while that shown in Fig. 9 represents a slightly modified .forin for accomplishing this purpose.

The preferred form of the invention comprises a pair of endwise separable sections 1 and 2, each of which carries a complementary locking device whereby they may be held together so that when the eyes 3 are disposed over the spark and throttle levers l. and 5 respectively, the latter will be held in their inoperative positions. Each of the sections consists of a base plate 6, one end of which is squared as shown at 7 while the other end is bent laterally substantially at right angles to the main portion and apertured to form the eye 3.

Each of the base plates is constructed substantially alike and each carries a casing 8 which is open atone end, the edges of the casings at said openends coinciding with the ends 7 of the base plates. These open ends abut when the two sections are in operative position as shown in the several figures of the drawings. The base plates forming one side of the casings are provided with a number of slots 9 to receive lugs carried by the edges of the other parts of the casings.

The casing on the section 1 carries the latch members in the form of the tumblers 10 and 10, while the casing on the section 2 contains the locking bolt 11 which is engaged by said tumblers and also the keyhole 12 in which a key 13 is adapted to be inserted to release said tumblers. In the present instance, four tumblers 10 and four tumblers 10 are used, each of which consists of a flat bar pivoted at one end within the casing on the section 1 and projecting beyond the open end thereof. The tumblers 10 are pivoted on the pivot pin 14:, while those numbered 10 are pivoted on the pin 15. The outer free ends ofthe tumblers 10 and 10 are notched as shown at 16 for engagement with said locking bolt 11.

It will be noted that the notched portions 16 on each set of tumblers is disposed in the inner edges thereof, and in order to hold the two sets of tumblers in engagement with the locking bolt and to cause the same to move toward each other, each tumbler is provided with a spring 17. Each of the springs is substantially hook-shaped, the long arms this finger 13 with the proper edge of the key to thereof engaging the side walls of the casing on the section 1, while the shortends are inserted in slits 18 formed in the lnner edges of the tumblers adjacent the pivots- 14 and 15. By this arrangement, the tension of the springs will be exerted to force.

their notched ends from the locking bolt 11.

Each of the tumblers 10 and 10 has its inner edge adjacent its outer end curved as shown at 19, said curved portions being disposed on each side of the keyhole and are engaged by the edges of the key when the same is'turned' in said-hole. The width of each tumbler between the curved portion 19 and the outer edge is different, thus the curved portions of the sets of tumblers are stepped for engagement by the stepped portions of the key 13 so that only a properly constructed key will open the lock. In order to hold the casings on the two sections in proper position and in alinement when the tumblers engage the locking bolt 11, guide plates 20 are secured to the sides of one of the casings and project beyond the open end and into engagement with the similar sides ofthe other casing.

The two sets oftumblers 10 and 10 are prevented from moving toward each other beyond a predetermined point by the laterally extending finger 21 carried'by a plate 22, the latter being held in position by the pivot pins 14 and 15 which pro'ect through apertures 23 therein. The nger 21 is formed by slitting the free end of the plate close. to one edge'and bending this, portion laterally. The free end of the plate be yond said finger extends through the open end of the casing in which it is housed, and when the two sections are in operative position, one edge of this portion of the plate will be disposed adjacent one side of the keyhole 12. This portion of the plate 22 is designed to be engaged by a finger 13- on the key 13 so that said key can only be retated infone direction to spread-the tumblers. The edges of the key are stepped in opposite directions, and the engagement of late causes the e engaged with its set of tumblers. f

The operation of the invention is obvious from the drawings, but briefly described, is as follows: The device is separated, one section having its eye 3' disposed over the spark control lever, while the other section'has its eye around the throttle lever, said levers being in, their lowermost inoperative position. "With' the sections thus disposed on the levers, they are moved toward each other until the tumblers of one section are inserted into the casing of the other section and'engaged with the locking bolt 11. The

levers will now be held against movement so that the operation of the vehicle will be prevented. I

When a person having-the proper keydesires to use the vehicle, said key is inserted in the keyholev 1-2 and rotated in the proper direction to spread the tumblers apart, and when said tumblers are released from the locking bolt, the sections may be removed from-the levers. I s

In Fig. 9 is shown a modified torm' of means for-holding the control levers as above described. In this device, a pair of endwise separable casings 25 and 26 are provided, and contain the same. form of looking mechanism as is disposed in the casing on the sections land 2-, said locking means the throttle and spark control levers of a vehicle in the same manner as the sections of; the-preferred form. 1 Having thus described my invention, what I claim as new is 2-.- V 1. A device of the class described comprising apai-r of open-ended longitudinally separable casings, a pair of guide platessecured to the opposite inner sides of one of the casings and 'projecting beyond the open end thereof into the other casing, a plate secured to each casing and provided with a laterally projecting apertured extension, and meansfor locking-said casings together.

2. A lock of the class described comprising a pair of separable. casings, each having one open end, a pair of guide plates secured to the'opposite inner sid'esof one of-the cas lngs and projecting beyond the open end thereof into the other casing, a locking bolt in one of saidcasings, a latch member carsaid latch memberin engagement with said locking bolt, and a'key'to disengage said latch member from said locking bolt.

3, A lock of the class described comprising a pair ofseparagble casings, one end of each being open, a locking bolt in one of said casings, a" pair of latch members in the other casing, said members being pivoted at one end and adapted to engage the opposite sides of said locking bolt, means for forcing said latch members toward each other, a plate disposed in the casing containing said latch members and secured therein, the free end of said plate projecting beyond the open end of said casing, and a key to be disposed between said latch members to move the same apart, said key having a finger thereon for engagement with the free end of said plate to limit rotation of the key in one direction.

4:. A lock of the class described comprising a pair of separable casings, a locking bolt in one of said casings, a pair of latch members carried by the other casing and adapted to engage the opposite sides of said locking bolt, means for forcing the latch members toward each other, a plate disposed in one of said casings and having a finger positioned between said latch members to limit their movement toward each other, and a key to be inserted between said latch members to force the same apart to release them from said locking bolt.

5. A lock of the class described comprising a pair of separable casings, a locking bolt in one of said casings, a pair of turnblers in the other casing, a pair of pivot pins disposed in said casing, each having one of said tumblers pivoted thereon, springs attached to each of said tumblers to move the same toward each other, a plate disposed in the. casing containing said tumblers, said plate being held therein by said pivot pins, the free end of said plate projecting beyond the open end of said casing, a finger carried by the plate and disposed between said tumblers to limit their movement toward each other, and a key to be disposed between said tumbler to move the same apart, said key having a finger thereon for engagement with the free end of said plate to prevent rotation of the key in one direction.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

SANFORD E. SHEPHERD.

WVitnesses LOUIS D. HURTIG, LEON D. SCHWARTZ.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

